Chemical Process Permanent hardness of water is due to the presence of calcium & magnesium Sulphates & chlorides Carbonate None of these Bi-carbonates Sulphates & chlorides Carbonate None of these Bi-carbonates ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Helium is produced on commercial scale from None of these Air Coke oven gas Natural gas None of these Air Coke oven gas Natural gas ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Extraction of __________ employs an electrolytic process. Silver Aluminium All of these Copper Silver Aluminium All of these Copper ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Black liquor is converted into white liquor by Selective liquid extraction Extractive distillation Multi-effect evaporation only Evaporation and burning the concentrate followed by causticisation of products Selective liquid extraction Extractive distillation Multi-effect evaporation only Evaporation and burning the concentrate followed by causticisation of products ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Salt is the basic raw material for the manufacture of Caustic soda Glass Cement Potteries Caustic soda Glass Cement Potteries ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Pick out the wrong statement pertaining to nitric acid. Yellow color of impure nitric acid is because of dissolved oxides of nitrogen (mainly NO₂) Arc process of nitric acid manufacture is economical as compared to Ostwald About 90% of nitric acid is manufactured by Ostwald It is a strong mono basic acid which reacts with almost all the metals except noble metals Yellow color of impure nitric acid is because of dissolved oxides of nitrogen (mainly NO₂) Arc process of nitric acid manufacture is economical as compared to Ostwald About 90% of nitric acid is manufactured by Ostwald It is a strong mono basic acid which reacts with almost all the metals except noble metals ANSWER DOWNLOAD EXAMIANS APP
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